MouseDrag3DEventArgs Constructor

public MouseDrag3DEventArgs(
	MouseEventArgs mouseData,
	Point currentMousePosition,
	BaseEventSource3D hitEventSource3D,
	BaseEventSource3D hitSurface,
	RayMeshGeometry3DHitTestResult rayHitResult,
	Point startDragMousePosition,
	Point3D startSurfaceHitPoint
)

Parameters

mouseData  MouseEventArgs

Original 2D mouse data (System.Windows.Input.MouseEventArgs)

currentMousePosition  Point

current Mouse Position

hitEventSource3D  BaseEventSource3D

hitEventSource3D as BaseEventSource3D

hitSurface  BaseEventSource3D

Gets the BaseEventSource3D object that was marked as IsDragSurface. It was the source to get the StartSurfaceHitPoint and CurrentSurfaceHitPoint.

rayHitResult  RayMeshGeometry3DHitTestResult

Gets the result of 3D Ray Hit Test as RayMeshGeometry3DHitTestResult.

startDragMousePosition  Point

Gets the 2D mouse position of the point where the drag was started.

startSurfaceHitPoint  Point3D

Gets the 3D position on the of the HitSurface where the drag was started.

Reference